The best of features and extends support to a vast array of data logs.
MegaLogViewer HD is designed to work with nearly ANY delimited and many binary logs


For most users, this is the MeagLogViewer you want. MegaLogViewer HD is the most feature filled version of MegaLogViewer with a log file loader designed to work with all delimited and many binary data logs.
The Histogram - Table Generators Make it quick and easy to see exactly how far off every cell of you fuel table is by processing all the data in your logs. You can plot your spark or AFR table, see where in on the maps knock is occuring. The uses are endless and limited only by the data in your logs.
For BigStuff3 ECU owners see:
MegaLogViewer BigStuff3 a specialized edition for BigStuff3 with auto tune and table editing.
All other users will want to use MegaLogViewer HD! with support for almost any log format!

Supported Data Logs:

  • TTS CSV Exports or native DM3 files
  • Power Vision log files
  • Power Commander log files
  • MDF Log Files
  • ETAS Log Files
  • Motec csv Exports
  • All MegaSquirt Logs
  • EFI Live Exports
  • HP Tuner Exports
  • Electromotive Tec II and Tec III
  • Pro EFI
  • Vi PEC
  • TunerPro RT Exports
  • Twin-Tec & Twin Scan log files, no need formating or data massaging.
  • Diablosports
  • Torque for Android
  • Shadow Dash for Android
  • Most GPS Output Files
  • Many Many more, load nearly any csv or delimited file formats. If you find a delimited log file it doesn't load just contact us at EFI Analytics, ods are we can have a version that will load it in no time.

Discover your ideal tune with MegaLogViewer HD
Now visualize your data in a way you never could before to quickly identify problems or opportunities. Load both the data log and tune settings, viewing together. Capture long log files and easily navigate through the data, apply built in analytics, custom formulas and simplified views.

  • Navigate quickly through Data Log files hundreds of thousands of records long.
  • 3 Dimension Scatter Plots to identify correlation.
  • Histograms - Table Generators.
  • Standard Log Viewer.
  • Zoom in and out.
  • View any 16 grouped Replay Signals.
  • Compare mode - Overlay second file values
  • Play back of log files.
  • Create your own Calculated Fields - RPM/Sec, Vacuum, Boost, PW-1. See Advanced Math.
  • Play back of log files.
  • Custom and option fields - create any new field based on other fields
  • Advanced custom data filters.
  • Customizable colors, gauges and UI features.